output stringlengths 52 181k | instruction stringlengths 296 182k |
|---|---|
#include <bits/stdc++.h>
using namespace std;
long long d[100005];
long long flag[100005];
long long c[100005];
long long r[100005];
vector<int> q[100005];
int mod = 1e9 + 7;
long long cf(long long x, int p) {
long long y = 1;
while (p) {
if (p % 2) {
y = y * x % mod;
p--;
} else {
p /= 2;... | ### Prompt
Your task is to create a cpp solution to the following problem:
Today is Devu's birthday. For celebrating the occasion, he bought n sweets from the nearby market. He has invited his f friends. He would like to distribute the sweets among them. As he is a nice guy and the occasion is great, he doesn't want ... |
#include <bits/stdc++.h>
using namespace std;
int dx[] = {0, 0, 1, -1, -1, -1, 1, 1};
int dy[] = {1, -1, 0, 0, -1, 1, 1, -1};
template <class T>
inline T biton(T n, T pos) {
return n | ((T)1 << pos);
}
template <class T>
inline T bitoff(T n, T pos) {
return n & ~((T)1 << pos);
}
template <class T>
inline T ison(T n... | ### Prompt
Create a solution in Cpp for the following problem:
Today is Devu's birthday. For celebrating the occasion, he bought n sweets from the nearby market. He has invited his f friends. He would like to distribute the sweets among them. As he is a nice guy and the occasion is great, he doesn't want any friend t... |
#include <bits/stdc++.h>
using namespace std;
namespace Flandre_Scarlet {
long long I() {
long long x = 0;
char c = getchar();
long long f = 1;
while (c < '0' or c > '9') f = (c == '-') ? -1 : 1, c = getchar();
while (c >= '0' and c <= '9')
x = (x << 1) + (x << 3) + (c ^ 48), c = getchar();
return (x = ... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
Today is Devu's birthday. For celebrating the occasion, he bought n sweets from the nearby market. He has invited his f friends. He would like to distribute the sweets among them. As he is a nice guy and the occasion is great, he doesn't w... |
#include <bits/stdc++.h>
using namespace std;
long long jie[100010], ni[100010];
int miu[100010];
long long power(long long x, int y) {
if (y == 1)
return x;
else {
long long tmp = power(x, y / 2);
tmp = tmp * tmp % 1000000007;
if (y % 2 == 1)
return tmp * x % 1000000007;
else
return... | ### Prompt
Generate a cpp solution to the following problem:
Today is Devu's birthday. For celebrating the occasion, he bought n sweets from the nearby market. He has invited his f friends. He would like to distribute the sweets among them. As he is a nice guy and the occasion is great, he doesn't want any friend to ... |
#include <bits/stdc++.h>
using namespace std;
const long long sz = 1e5 + 10, mod = 1e9 + 7;
vector<long long> dv[sz];
long long dp[sz], fact[sz], inv[sz], totalWay[sz];
unordered_map<int, int> ret[sz];
long long fastPow(long long x, long long n, long long MOD) {
long long ret = 1;
while (n) {
if (n & 1) ret = (... | ### Prompt
Your task is to create a Cpp solution to the following problem:
Today is Devu's birthday. For celebrating the occasion, he bought n sweets from the nearby market. He has invited his f friends. He would like to distribute the sweets among them. As he is a nice guy and the occasion is great, he doesn't want ... |
#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9 + 7, N_MAX = 1e5;
int n;
vector<int> gr[N_MAX + 2];
bool col[N_MAX + 2];
int dp[N_MAX + 2][2];
void dfs(int arg) {
dp[arg][0] = !col[arg];
dp[arg][1] = col[arg];
for (auto it : gr[arg]) {
dfs(it);
int aux0 = dp[arg][0], aux1 = dp[arg][1];
... | ### Prompt
Please provide a CPP coded solution to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
int n, clr[100005];
vector<int> adj[100005];
long long dp[100005][2];
long long bigmod(long long x, int pow) {
long long ret = 1;
while (pow > 0) {
if (pow & 1) ret = (ret * x) % 1000000007;
x = (x * x) % 1000000007;
pow /= 2;
}
return ret;
}
long long d... | ### Prompt
Please formulate a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int modul = 1000000007;
const int nmax = 100100;
const double e = 1e-8;
const double pi = acos(-1);
int n, m, stest, c[nmax], F[nmax][2], G[nmax];
vector<int> head[nmax];
void DFS(int u) {
F[u][0] = (c[u] == 0);
for (int i = 0; i <= (int)head[u].size() - 1; i++) {... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
int n, x, cnt;
bool col[200010];
long long dp[200010][2], p[200010], a[200010], b[200010];
vector<int> vs[200010];
void dfs(int u, int fa) {
if (vs[u].size() == 1 && fa != 0) {
if (col[u]) {
dp[u][0] = 0;
dp[u][1] = 1;
} else {
dp[u][0] = 1;
... | ### Prompt
In Cpp, your task is to solve the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
using namespace std;
int abs(int x) {
if (x < 0) return -x;
return x;
}
int addmod(int v1, int v2) {
int v3 = v1 + v2;
if (v3 >= 1000000007) v3 -= 1000000007;
return v3;
}
long long dp[100005][2];
long long old[100005][2];
int color[100005];
vector<int> vv[100005];
void dfs(int pos) {... | ### Prompt
Develop a solution in cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
vector<int> graph[100005];
bool visited[100005];
bool black[100005];
long long int dp[100005][2];
long long int p = 1000000007;
void dfs(int n) {
visited[n] = 1;
if (black[n]) {
dp[n][1] = 1;
dp[n][0] = 0;
} else {
dp[n][0] = 1;
dp[n][1] = 0;
}
for... | ### Prompt
Your task is to create a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
struct edge {
int v, nxt;
};
int n;
const int MOD = 1000000007;
edge e[200020];
int g[100010];
int nume;
int color[100010];
long long f[100010][2];
void addedge(int u, int v) {
e[++nume].v = v;
e[nume].nxt = g[u];
g[u] = nume;
e[++nume].v = u;
e[nume].nxt = g[v]... | ### Prompt
Generate a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it wil... |
#include <bits/stdc++.h>
using namespace std;
const int N = 100000;
const long long MOD = 1000000007;
int n, p[N], x[N];
vector<int> graph[N];
long long colored[N], not_colored[N];
void dfs(int u) {
if (x[u] == 0) {
long long haveNone = 1;
long long haveOne = 0;
not_colored[u] = 1;
for (int ed = 0; ed... | ### Prompt
In CPP, your task is to solve the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9 + 7, N = 1e5 + 5;
vector<int> adj[N], col(N);
long long dp[N][2];
void dfs(int u, int p = 0) {
dp[u][col[u]] = 1;
for (auto v : adj[u]) {
if (v == p) continue;
dfs(v, u);
dp[u][1] = (dp[u][0] * dp[v][1] + dp[u][1] * (dp[v][0] + dp[v][1]))... | ### Prompt
Develop a solution in cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const long long mXn = 1e5 + 10, M = 1e9 + 7;
vector<long long> ad[mXn];
bool b[mXn], mark[mXn];
long long dp0[mXn], dp1[mXn];
void dfs(long long v) {
if (b[v]) {
dp1[v] = 1;
} else {
dp0[v] = 1;
}
mark[v] = true;
for (long long i = 0; i < (long long)ad[v].... | ### Prompt
Develop a solution in cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const long mod = 1000000007;
vector<int> adj[200000];
long color[200000];
long long dp[200000][2];
long n;
void dfs(long u) {
dp[u][color[u]] = 1;
long v;
for (int k = 0; k < adj[u].size(); k++) {
v = adj[u][k];
dfs(v);
dp[u][1] = ((dp[u][1] * dp[v][1]) % ... | ### Prompt
Generate a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it wil... |
#include <bits/stdc++.h>
using namespace std;
template <typename T>
inline void Cin(T &x) {
char c;
T sign = 1;
x = 0;
for (c = getchar(); c < '0' || c > '9'; c = getchar())
if (c == '-') sign = -1;
for (; c >= '0' && c <= '9'; c = getchar()) x = x * 10 + c - '0';
x *= sign;
}
const int N = 1e5 + 7;
con... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
vector<int> graph[100010];
int arr[100010] = {0};
int vis[100010] = {0};
long long dp[100010][2];
void dfs(int u) {
vis[u] = 1;
dp[u][0] = 1 - arr[u];
dp[u][1] = arr[u];
vector<int>::iterator vec;
for (vec = graph[u].begin(); vec != graph[u].end(); vec++) {
in... | ### Prompt
Your task is to create a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9 + 7;
const int MAXN = 1e5 + 10;
vector<int> G[MAXN];
int color[MAXN];
long long dp[MAXN][2];
void init() {
for (int i = 0; i < MAXN; i++) {
G[i].clear();
}
}
long long qpow(long long x, long long k) {
long long res = 1;
while (k > 0) {
if... | ### Prompt
Generate a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it wil... |
#include <bits/stdc++.h>
using namespace std;
int N;
vector<int> adj[100001];
int color[100001];
long long dp[100001][2];
void dfs(int node) {
dp[node][0] = 1;
dp[node][1] = 0;
for (int X : adj[node]) {
dfs(X);
dp[node][1] *= dp[X][0];
dp[node][1] += dp[node][0] * dp[X][1];
dp[node][0] *= dp[X][0]... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
long long n, m, i, j, x, dp[123456][2], p[123456], mod = 1e9 + 7;
int main() {
ios::sync_with_stdio(false);
;
cin >> n;
for (i = 1; i < n; i++) {
cin >> p[i];
}
for (i = 0; i < n; i++) {
cin >> x;
dp[i][x] = 1;
}
for (i = n - 1; i; i--) {
dp[... | ### Prompt
Develop a solution in Cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const long long MOD = 1e9 + 7;
long long dp[100004][2];
int n;
vector<int> g[100004];
int v[100004];
void dfs(int x) {
dp[x][v[x]] = 1;
for (int i = 0; i < g[x].size(); i++) {
int y = g[x][i];
dfs(y);
dp[x][1] = dp[x][1] * (dp[y][0] + dp[y][1]) % MOD;
dp... | ### Prompt
Your task is to create a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 10;
const int M = 1e9 + 7;
enum Color { W, B };
int n, x[N], p[N], f[N][2];
vector<int> g[N];
void Dfs(int u) {
f[u][W] = (x[u] == W);
f[u][B] = (x[u] == B);
for (auto v : g[u]) {
int t[2];
memcpy(t, f[u], sizeof(t));
Dfs(v);
t[W] =... | ### Prompt
In Cpp, your task is to solve the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
using namespace std;
const int INF = 0x3f3f3f3f;
const int N = 100005;
const long long MOD = 1000000007;
template <class T>
inline void read(T &x) {
x = 0;
int f = 0;
char ch = getchar();
while (ch < '0' || ch > '9') {
f |= (ch == '-');
ch = getchar();
}
while (ch >= '0' && ... | ### Prompt
Please create a solution in Cpp to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
vector<vector<int> > G;
vector<int> COLOR;
vector<vector<long long> > DP;
const long long mod = 1e9 + 7;
void solve(int vId, int parentId) {
if (G[vId].size() > 1 || vId == 0) {
for (int i = 0; i < G[vId].size(); ++i) {
if (parentId != G[vId][i]) solve(G[vId][i]... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using pll = pair<ll, ll>;
using dd = long double;
namespace {
static bool constexpr dbg = 0;
ll constexpr N = 1.1e5, MO = 1e9 + 7;
ll n, d[N][2];
bool bl[N];
vector<ll> adj[N];
void init() {
cin >> n;
for (ll i = 1; i <= (ll)(n - 1); ++i) {
ll ... | ### Prompt
Create a solution in CPP for the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it w... |
#include <bits/stdc++.h>
using namespace std;
const int N = 100010;
const int mod = 1e9 + 7;
int n, col[N];
long long dp[N][2];
vector<int> adj[N];
void dfs(int u) {
dp[u][0] = 1LL;
dp[u][1] = 0LL;
for (auto v : adj[u]) {
dfs(v);
dp[u][1] = (dp[u][1] * dp[v][0]) % mod;
dp[u][1] = (dp[u][1] + (dp[v][1]... | ### Prompt
Your challenge is to write a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const int MaxN = 1000005;
const double eps = 1e-8;
const double DINF = 1e100;
const int INF = 1000000006;
const long long LINF = 1000000000000000005ll;
const int mod = (int)1e9 + 7;
int n;
int color[MaxN];
vector<int> edges[MaxN];
long long f[MaxN][2];
long long tmp[MaxN][2... | ### Prompt
Develop a solution in Cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
int n;
const int mo = 1000000007;
const int N = 200000;
long long f[N][2];
int t[N], s[N];
int main() {
scanf("%d", &n);
for (int i = 0; i < n - 1; i++) scanf("%d", t + i + 1);
for (int i = 0; i < n; i++) {
scanf("%d", &s[i]);
f[i][s[i]] = 1;
}
for (int i ... | ### Prompt
Construct a Cpp code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
using namespace std;
template <typename T, typename U>
inline void smin(T &a, U b) {
if (a > b) a = b;
}
template <typename T, typename U>
inline void smax(T &a, U b) {
if (a < b) a = b;
}
int power(int a, int b, int m, int ans = 1) {
for (; b; b >>= 1, a = 1LL * a * a % m)
if (b & 1)... | ### Prompt
Generate a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it wil... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = (int)1e5 + 10;
const int mod = (int)1e9 + 7;
int p[maxn];
long long d[maxn][2];
int n, x;
int main() {
scanf("%d", &n);
for (int i = 0; i < n - 1; i++) scanf("%d", p + i + 1);
for (int i = 0; i < n; i++) {
scanf("%d", &x);
d[i][x] = 1;
}
f... | ### Prompt
Please create a solution in cpp to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
vector<int> adj[100050];
int b[100050];
long long dp[100050][2];
const int m = 1e9 + 7;
void dfs(int v, int p) {
long long old[2] = {0};
dp[v][0] = 1 - b[v];
dp[v][1] = b[v];
for (auto u : adj[v]) {
if (u == p) continue;
old[0] = dp[v][0];
old[1] = dp[v]... | ### Prompt
Please formulate a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
template <class T>
inline T _sq(T a) {
return a * a;
}
template <class T>
inline T _sqrt(T a) {
return (T)sqrt((double)a);
}
template <class T, class X>
inline T _pow(T a, X y) {
T z = 1;
for (int i = 1; i <= y; i++) {
z *= a;
}
return z;
}
template <class T... | ### Prompt
Develop a solution in CPP to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int mod = 1e9 + 7, N = 1e5 + 5;
int n, c[N], x;
long long dp[N][2];
vector<int> g[N];
void dfs(int v) {
dp[v][0] = 1LL;
for (int u : g[v]) {
dfs(u);
(dp[u][0] += dp[u][1]) %= mod;
dp[v][1] = (dp[v][1] * dp[u][0] + dp[v][0] * dp[u][1]) % mod;
dp[v][... | ### Prompt
Your challenge is to write a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
int sgn(double x) { return (x > 1e-8) - (x < -1e-8); }
int count_bit(int x) { return x == 0 ? 0 : count_bit(x >> 1) + (x & 1); }
template <class T>
inline void ckmin(T &a, const T b) {
if (b < a) a = b;
}
template <class T>
inline void ckmax(T &a, const T b) {
if (b > a... | ### Prompt
Please formulate a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const long long int MOD = 1000000007;
const long long BIG = 1446803456761533460LL;
const int Big = 336860180;
const long long int INF = LONG_LONG_MAX;
const vector<vector<long long int> > adj4({{0, 1}, {0, -1}, {1, 0}, {-1, 0}});
const vector<vector<long long int> > adj8(
... | ### Prompt
In cpp, your task is to solve the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e5 + 1;
const int INF = 0x3f3f3f3f;
const double eps = 1e-8;
const int mod = 1e9 + 7;
int a[maxn];
long long dp[maxn][2];
int main() {
int n;
scanf("%d", &n);
for (int i = 1; i < n; i++) {
scanf("%d", &a[i]);
}
for (int i = 0; i < n; i++) {
... | ### Prompt
Please formulate a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
vector<long long int> adj[100005];
long long int n;
long long int bw[100005];
long long int dp[100005][2];
void dfs(long long int x) {
dp[x][1] = 0;
dp[x][0] = 1;
for (auto it : adj[x]) {
dfs(it);
dp[x][1] = (dp[it][0] % 1000000007 * dp[x][1] % 1000000007) % 1... | ### Prompt
Your challenge is to write a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
int x[100000];
vector<int> adj[100000];
void add(int &a, int b) { a = (a + b) % 1000000007; }
int mul(int a, int b) { return (long long)a * b % 1000000007; }
pair<int, int> dfs(int u) {
pair<int, int> ret = {1, 0};
for (int v : adj[u]) {
pair<int, int> p = dfs(v);
... | ### Prompt
Please provide a Cpp coded solution to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
long long int dp[2][200000];
int p[200000];
vector<int> v[200000];
int col[200000];
long long int modexp(long long int a, long long int b) {
long long int ret = 1;
while (b) {
if ((b & 1)) {
ret *= a;
ret %= 1000000007;
}
a *= a;
a %= 1000000... | ### Prompt
Please provide a cpp coded solution to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
int c[100009];
vector<int> v[100009];
long long dp[100009][2];
void dfs(int x) {
dp[x][c[x]] = 1;
for (int i = 0; i < v[x].size(); i++) {
int y = v[x][i];
dfs(y);
dp[x][1] = ((dp[x][0] * dp[y][1]) % 1000000007 +
(dp[x][1] * dp[y][1]) % 100000... | ### Prompt
In CPP, your task is to solve the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
using namespace std;
const int oo = 2000000009;
const double eps = 1e-9;
list<int> adj[100005];
int label[100005];
long long dp[100005][2];
const long long MOD = 1000000007;
void numWays(int v, int p) {
dp[v][0] = 1 - label[v];
dp[v][1] = label[v];
for (typeof(adj[v].begin()) u = adj[v].b... | ### Prompt
Develop a solution in cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const long long MOD = 1000000007;
const int MAX = 100005;
int B[MAX], N;
long long DP[MAX][2];
vector<int> E[MAX];
void dfs(int n, int p) {
DP[n][1] = B[n];
DP[n][0] = 1 - B[n];
for (int v : E[n])
if (v != p) {
long long old[2];
old[0] = DP[n][0];
... | ### Prompt
Please create a solution in cpp to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int M = 100005;
long long dp[M][2];
vector<int> G[M];
int color[M];
void dfs(int x) {
long long ones, zeros;
ones = color[x];
zeros = 1 - color[x];
int u;
for (int i = 0; i < G[x].size(); i++) {
u = G[x][i];
dfs(u);
ones = (ones * dp[u][1] + ones... | ### Prompt
Please provide a CPP coded solution to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 100010;
long long dp[MAXN][2];
vector<int> x[MAXN];
int c[MAXN];
void dfs(int v, int p) {
dp[v][0] = 1;
dp[v][1] = 0;
for (int i = 0; i < x[v].size(); ++i) {
int u = x[v][i];
if (u == p) continue;
dfs(u, v);
dp[v][1] = ((dp[v][1] * dp[... | ### Prompt
Develop a solution in CPP to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
template <class T>
inline T _sq(T a) {
return a * a;
}
template <class T>
inline T _sqrt(T a) {
return (T)sqrt((double)a);
}
template <class T, class X>
inline T _pow(T a, X y) {
T z = 1;
for (int i = 1; i <= y; i++) {
z *= a;
}
return z;
}
template <class T... | ### Prompt
Generate a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it wil... |
#include <bits/stdc++.h>
using namespace std;
const long long N = 3e5;
const long long P = 1e9 + 7;
long long n;
long long col[N], f[N], g[N];
vector<long long> a[N];
long long read(void) {
long long s = 0, w = 0;
char c = getchar();
while (!isdigit(c)) w |= c == '-', c = getchar();
while (isdigit(c)) s = s * 1... | ### Prompt
Your task is to create a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
string alpha = "abcdefghijklmnopqrstuvwxyz";
const long long mod = 1e9 + 7;
const long long inf = 2e18 + 5;
const long long nax = 100010;
vector<vector<long long>> g;
bool x[nax];
long long dp[nax][2];
void dfs(long long u) {
dp[u][0] = 1;
dp[u][1] = 0;
for (auto v : ... | ### Prompt
Generate a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it wil... |
#include <bits/stdc++.h>
using namespace std;
long long pow(long long a, long long b) {
if (b == 0) return 1;
long long res = pow(a, b / 2);
res *= res;
res %= 1000000007;
if (b % 2 == 1) res *= a;
return res % 1000000007;
}
long long rev(long long x) { return pow(x, 1000000007 - 2); }
long long color[10800... | ### Prompt
In CPP, your task is to solve the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
using namespace std;
const long long MX = 2e5;
vector<long long> adj[MX];
const long long MOD = 1e9 + 7;
long long mult(long long x, long long y) { return (x * y) % MOD; }
long long add(long long x, long long y) { return (x + y) % MOD; }
long long fastPow(long long a, long long b) {
long long... | ### Prompt
Your challenge is to write a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const int sz = 200010;
vector<int> g[sz];
long long int a[sz], dp[sz][2];
void dfs(int u, int p) {
dp[u][0] = 1;
dp[u][1] = 0;
for (int i = 0; i < g[u].size(); i++) {
int v = g[u][i];
if (v != p) {
dfs(v, u);
dp[u][1] = (dp[u][1] * dp[v][0] % 10000... | ### Prompt
Please provide a CPP coded solution to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
vector<vector<int>> graph;
vector<int> isBlack;
vector<long long> dp[2];
long long previous[2];
void dfs(int curr) {
dp[0][curr] = 1 - isBlack[curr];
dp[1][curr] = isBlack[curr];
for (int child : graph[curr]) {
dfs(child);
previous[0] = dp[0][curr];
previo... | ### Prompt
Please create a solution in Cpp to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
int mod;
int n;
map<int, vector<int> > ch;
int col[100001];
bool seen[100001];
int dp[100001][2];
void dfs(int r) {
if (seen[r]) return;
seen[r] = true;
dp[r][0] = 1;
dp[r][1] = 0;
for (int i = 0; i < ch[r].size(); ++i) {
int u = ch[r][i];
if (seen[u]) con... | ### Prompt
Your challenge is to write a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const int N = 100005;
vector<int> g[N];
const int mod = 1e9 + 7;
long long dp[N][2];
int color[N];
int n;
void dfs(int x) {
dp[x][0] = 1;
dp[x][1] = 0;
for (int i = 0; i < g[x].size(); i++) {
dfs(g[x][i]);
dp[x][1] = (dp[x][1] * dp[g[x][i]][0] + dp[x][0] * dp[... | ### Prompt
Your task is to create a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
bool c[100000];
vector<int> v[100000];
long long a[2][100000];
int const md = 1000000007;
void dfs(int n) {
if (c[n]) {
a[1][n] = 1;
a[0][n] = 0;
for (int i = 0; i < v[n].size(); ++i) {
int h = v[n][i];
dfs(h);
a[1][n] *= (a[0][h] + a[1][h]);... | ### Prompt
Develop a solution in CPP to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
long long getpow(long long a, long long b) {
long long ret = 1LL;
long long inter = a % 1000000007;
while (b) {
if (b & 1) {
ret *= inter;
ret %= 1000000007;
}
inter *= inter;
inter %= 1000000007;
b = b >> 1;
}
return ret;
}
int n, ... | ### Prompt
In CPP, your task is to solve the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
using namespace std;
const int N = 100001;
int n, k;
vector<vector<int> > adjList(N);
vector<int> nxt(N, -1);
bool color[N];
int dp[N][2][2];
void dfs(int node) {
bool leaf = true;
for (int i = 0; i < adjList[node].size(); i++) {
leaf = false;
int ch = adjList[node][i];
int next... | ### Prompt
Please create a solution in Cpp to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 5;
const int MAX = 1e9 + 5;
long long q[100005], prefix[100005], x, postfix[100005], dp[100005][2],
col[100005], i, j, k, n, m;
vector<int> v[100005], tv[100005];
void dfs(int node, int root) {
if (root != -1) v[root].push_back(node);
for (__type... | ### Prompt
Construct a cpp code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
using namespace std;
long long max(long long a, long long b) {
if (a > b) {
return a;
} else {
return b;
}
}
long long min(long long a, long long b) {
if (a < b) {
return a;
} else {
return b;
}
}
long long power(long long b, long long e... | ### Prompt
Your task is to create a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
vector<long long> whs;
vector<long long> bs;
vector<vector<int> > T;
vector<bool> color;
long long m = 1000000007;
void fill_dp(int v) {
if (T[v].size() == 0) {
if (color[v]) {
whs[v] = 0;
bs[v] = 1;
} else {
bs[v] = 0;
whs[v] = 1;
}
... | ### Prompt
Please provide a cpp coded solution to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
const int MAX_N = 2e5 + 5;
const int MODULO = 1000000007;
int N;
std::vector<int> children[MAX_N];
std::bitset<MAX_N> isBlack;
long long memo[MAX_N][2];
long long f(int vertex, bool blackAbove);
int gcdExtended(int a, int b, int *x, int *y) {
if (a == 0) {
*x = 0, *y = 1;
return b;
... | ### Prompt
Create a solution in CPP for the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it w... |
#include <bits/stdc++.h>
using namespace std;
const int MM = 300005;
int n;
int x[MM];
long long dp[MM][2];
vector<int> a[MM];
void DP(int u) {
dp[u][0] = 1;
dp[u][1] = 0;
for (int i = 0; i < a[u].size(); i++) {
int v = a[u][i];
DP(v);
dp[u][1] = (dp[u][0] * dp[v][1] + dp[u][1] * dp[v][0]) % 100000000... | ### Prompt
Please formulate a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const double eps(1e-8);
const double pi(3.14159265358979);
const int N = 100100, mod = 1000000007;
int n;
int color[N] = {};
long long f[N][2] = {};
vector<int> v[N];
void init() {
scanf("%d", &n);
for (int i = 2, x = 0; i <= n; ++i) {
scanf("%d", &x);
v[x + 1].... | ### Prompt
Your task is to create a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
vector<int> e[100007];
long long val_array[100007];
long long val_array2[100007];
int color[100007];
int borw[100007];
int count1[100007];
void count_black(int v) {
if (color[v]) return;
color[v] = 1;
if (borw[v]) count1[v] = 1;
for (int i = 0; i < e[v].size(); i++)... | ### Prompt
Please create a solution in Cpp to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
vector<int> g[100010];
long long dp[100010][2];
long long num = 1e9 + 7;
int col[100010];
void dfs(int cur, int par) {
dp[cur][col[cur]] = 1;
for (int i = 0; i < g[cur].size(); i++) {
if (g[cur][i] != par) {
dfs(g[cur][i], cur);
dp[cur][1] = (dp[cur][1] ... | ### Prompt
Develop a solution in Cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
long long int power(long long int a, long long int b) {
a %= 1000000007;
long long int res = 1;
while (b > 0) {
if (b & 1) res = res * a % 1000000007;
a = a * a % 1000000007;
b >>= 1;
}
return res;
}
long long int modinv(long long int p) { return power... | ### Prompt
Develop a solution in cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e5 + 5;
const int mod = 1000000007;
long long dp[maxn][2];
int x[maxn];
int n;
vector<int> G[maxn];
void DP(int u) {
dp[u][x[u]] = 1;
for (int i = 0; i < G[u].size(); i++) {
int son = G[u][i];
DP(son);
dp[u][1] = (dp[u][1] * dp[son][1] % mo... | ### Prompt
Your task is to create a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
long long xyp(long long x, long long y) {
if (y == 0) return 1LL;
if (y == 1) return x;
if (y % 2) {
long long p = xyp(x, y - 1);
return (x * p) % 1000000007;
}
long long p = xyp(x, y / 2);
return (p * p) % 1000000007;
}
long long inv(long long x) { retu... | ### Prompt
Create a solution in cpp for the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it w... |
#include <bits/stdc++.h>
using namespace std;
struct listNode {
long long int n;
listNode *next;
listNode(long long int n = 0LL) : n(n), next(NULL) {}
};
long long int num;
listNode *edge[100100], *tail[100100];
long long int color[100100];
void insertEdge(long long int a, long long int b) {
if (!edge[a]) {
... | ### Prompt
Create a solution in Cpp for the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it w... |
#include <bits/stdc++.h>
using namespace std;
const int MOD = 1000000007;
const int N = 100000 + 10;
int n;
vector<int> adj[N];
int color[N];
unsigned long long dp[N][2];
unsigned long long pow_mod(unsigned long long x, int n,
unsigned long long mod) {
unsigned long long ret = 1;
while (n... | ### Prompt
Your task is to create a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
template <class T>
T read(T &a) {
a = 0;
char x = getchar();
bool f = 0;
for (; x < '0' || x > '9'; x = getchar()) f |= x == '-';
for (; x >= '0' && x <= '9'; x = getchar()) a = (a << 3) + (a << 1) + x - '0';
if (f) a = -a;
return a;
}
using namespace std;
const int N = 2e5 + 5, M... | ### Prompt
Please formulate a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const long long int M = 1e5 + 7;
const long long int mod = 1e9 + 7;
const long long int infi = LLONG_MAX;
long long int ans, k, n, x, y, m, mymax = LLONG_MIN, mymin = LLONG_MAX, b, c, z,
sum;
long long int dp[M][2];
long long int color[M], ... | ### Prompt
Generate a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it wil... |
#include <bits/stdc++.h>
using namespace std;
double eps = 1e-9;
const int INF = 1e9;
const int MOD = 1e9 + 7;
const int N = 1e5 + 7;
long long dp[N][2];
vector<int> g[N];
int x[N];
void dfs(int v, int p) {
dp[v][0] = 1;
dp[v][1] = 0;
for (int to : g[v]) {
if (to != p) {
dfs(to, v);
dp[v][1] = (dp... | ### Prompt
Develop a solution in Cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
#pragma comment(linker, "/STACK:256000000")
using namespace std;
const long long P = 1000000007LL;
const int maxN = 110000;
vector<int> g[maxN];
int n;
int c[maxN];
long long d[2][maxN];
long long dp[maxN][2];
void dfs(int v) {
for (int i = 0; i < g[v].size(); ++i) {
dfs(g[v][i]);
}
i... | ### Prompt
Your task is to create a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
const int N = (int)200004;
const int dx[] = {-1, 0, 1, 0, -1, -1, 1, 1};
const int dy[] = {0, 1, 0, -1, -1, 1, -1, 1};
char dir[] = {'L', 'D', 'R', 'U'};
const long long int mod = (long long int)1e9 + 7;
const long long int inf = 1e18 + 1000;
int BIT[200005], n;
long long i... | ### Prompt
Develop a solution in cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
inline long long read() {
char i = getchar();
long long f = 1, res = 0;
while (i < '0' || i > '9') {
if (i == '-') f = -1;
i = getchar();
}
while (i >= '0' && i <= '9') {
res = res * 10 + i - '0';
i = getchar();
}
return res * f;
}
const int N ... | ### Prompt
Construct a cpp code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
const long base = 97;
using namespace std;
long long n, a[1000005];
vector<long> G[1000005];
long long F[1000005][2];
void nhap() {
cin >> n;
long x;
for (long i = 1; i < n; i++) {
cin >> x;
G[x].push_back(i);
}
for (long i = 0; i < n; i++) cin >> a[i];
}
void DFS(long v) {
... | ### Prompt
Your task is to create a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
struct node {
long long end, next;
} g[100100 * 2];
long long fa[100100], tot, n, i, ok[100100], x, f[100100][2];
long long ksm(long long a, long long b) {
long long tem = 1ll;
while (b) {
if (b & 1) tem = tem * a % 1000000007;
a = a * a % 1000000007;
b >>... | ### Prompt
Your task is to create a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
const unsigned long long MOD = 1e9 + 7;
const int MAXN = 1e5 + 5;
int n;
int *color;
vector<int> *child;
unsigned long long dp[MAXN][2];
int main() {
scanf("%d", &n);
child = new vector<int>[n];
for (int i = 0; i < n - 1; ++i) {
int x;
scanf("%d", &x);
chi... | ### Prompt
Please formulate a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
vector<long long int> v[100005];
long long int c[100005];
long long int ans[100005][2];
void dfs(long long int s, long long int pa = -1) {
ans[s][0] = 1;
ans[s][1] = 0;
for (auto i : v[s]) {
if (i == pa) continue;
dfs(i, s);
ans[s][1] *= ans[i][0];
ans... | ### Prompt
Your task is to create a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
int p[100010];
long long d[100010][2];
int main(void) {
int n, xi;
scanf("%d", &n);
for (int i = 0; i < n - 1; ++i) {
scanf("%d", &p[i + 1]);
}
for (int i = 0; i < n; ++i) {
scanf("%d", &xi);
d[i][xi] = 1;
}
for (int i = n - 1; i > 0; --i) {
d[... | ### Prompt
Develop a solution in Cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
vector<int> adj[100005];
int color[100005];
int n;
int dp[100005][2];
void go(int u, int p) {
for (int i = 0; i < adj[u].size(); ++i) {
int v = adj[u][i];
if (v == p) continue;
go(v, u);
}
if (color[u])
dp[u][1] = 1;
else
dp[u][0] = 1;
for (int... | ### Prompt
Please create a solution in CPP to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 111111;
const int MOD = 1e9 + 7;
int n;
int a[maxn];
struct Edge {
int next, v;
} e[2 * maxn];
int en = 0;
int head[maxn];
void add(int x, int y) {
e[en].v = y;
e[en].next = head[x];
head[x] = en++;
}
bool u[maxn];
long long f[maxn][2];
void dfs(int... | ### Prompt
Please create a solution in CPP to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 100005;
const int MOD = 1000000007;
int N;
int a[MAXN];
vector<int> ch[MAXN];
int dp[MAXN][2];
inline int add(int x, int y) {
x += y;
if (x >= MOD) x -= MOD;
return x;
}
inline int mul(int x, int y) { return (long long)x * y % MOD; }
void load() {
s... | ### Prompt
Please provide a CPP coded solution to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const long long MOD = 1e9 + 7;
vector<int> G[100001];
long long dp[100001][2], p[100001];
void dfs(int v, int pre) {
dp[v][0] = 1 - p[v];
dp[v][1] = p[v];
for (int i = 0; i < G[v].size(); i++) {
int nxt = G[v][i];
if (nxt == pre) continue;
dfs(nxt, v);
... | ### Prompt
Construct a Cpp code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
using namespace std;
inline void OPEN(const string &s) {
freopen((s + ".in").c_str(), "r", stdin);
freopen((s + ".out").c_str(), "w", stdout);
}
int n, p[100100], c[100100];
vector<int> child[100100];
long long power(long long a, long long b) {
if (b == 0) return 1;
long long temp = pow... | ### Prompt
Create a solution in cpp for the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it w... |
#include <bits/stdc++.h>
using namespace std;
const int N = 200020;
vector<int> g[N];
int cor[N];
int mod = 1000 * 1000 * 1000 + 7;
long long dp[N][2][2];
long long fpow(long long b, long long e) {
if (!e) return 1;
long long r = fpow(b, e / 2);
r = (r * r) % mod;
return e % 2 ? (r * b) % mod : r;
}
long long s... | ### Prompt
Develop a solution in cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const long long modulo = 1e9 + 7;
const int MAXN = 200000;
int colours[MAXN + 5];
vector<int> children[MAXN + 5];
long long combinations[MAXN + 5][2];
void dfs(int node) {
if (colours[node] == 1) {
combinations[node][0] = 0;
combinations[node][1] = 1;
} else {
... | ### Prompt
Your challenge is to write a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 7;
const int MOD = 1e9 + 7;
int dp[N][2];
int col[N];
vector<int> child[N];
long long bpow(long long a, long long b) {
long long res = 1;
while (b) {
if (b & 1) res = res * a % MOD;
a = a * a % MOD;
b >>= 1;
}
return res;
}
void dfs(i... | ### Prompt
Your task is to create a CPP solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
using lli = long long int;
using pii = pair<int, int>;
using vi = vector<int>;
using vb = vector<bool>;
using vvi = vector<vector<int>>;
using vlli = vector<long long int>;
using vpii = vector<pair<int, int>>;
lli n, x, dp[200005][2], f[2];
vlli col;
vvi adj;
void dfs(int u... | ### Prompt
In cpp, your task is to solve the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
using namespace std;
template <class T>
inline T _sq(T a) {
return a * a;
}
template <class T>
inline T _sqrt(T a) {
return (T)sqrt((double)a);
}
template <class T, class X>
inline T _pow(T a, X y) {
T z = 1;
for (int i = 1; i <= y; i++) {
z *= a;
}
return z;
}
template <class T... | ### Prompt
Develop a solution in Cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
vector<int> adj[200001];
vector<int> x(200001);
vector<vector<long long> > dp(200001, vector<long long>(2));
void dfs(int node, int parent) {
int i;
dp[node][0] = 1;
dp[node][1] = 0;
for (i = 0; i < adj[node].size(); i++) {
if (adj[node][i] == parent) continue;
... | ### Prompt
Please create a solution in CPP to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
using namespace std;
long long n, mark[200009], dp[200009][2], col[200009], mod = 1e9 + 7, ans = 1,
x;
vector<long long> g[200009];
long long xgcd(long long a, long long b, long long &x, long long &y) {
if (b == 0) {
... | ### Prompt
Your challenge is to write a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e5 + 5;
const int mod = 1e9 + 7;
int n, dp1[maxn], dp[maxn], c[maxn];
vector<int> v[maxn];
void enter() {
cin >> n;
for (int i = 0; i < n - 1; ++i) {
int x;
cin >> x;
v[x].push_back(i + 1);
v[i + 1].push_back(x);
}
for (int i = 0; i... | ### Prompt
Develop a solution in cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const double PI = acos(-1);
const double eps = 1e-12;
const int inf = 2000000000;
long long int MOD = 1000000007;
int MOD1 = 1000000007;
int MOD2 = 1000000009;
inline bool checkBit(long long int n, long long int i) {
return n & (1LL << i);
}
inline long long int setBit(lo... | ### Prompt
Construct a cpp code solution to the problem outlined:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then i... |
#include <bits/stdc++.h>
using namespace std;
const int N = 100 * 1001, MOD = 1e9 + 7;
long long n, dp[N][2];
long long r[N], l[N];
bool black[N];
vector<int> adj[N];
long long _mul(long long a, long long b) { return (1LL * a * b) % MOD; }
long long _sum(long long a, long long b) { return (a + b) % MOD; }
void dfs(int ... | ### Prompt
In Cpp, your task is to solve the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, then it ... |
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC target( \
"avx,avx2,fma,sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
using namespace std;
long long MOD = 1e9 + 7;
const int N = 200000;
vector<long long> gr[N];
long long sz[N];
long long st(long long t, long long id, long long mod) {
... | ### Prompt
Please formulate a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int mod = 1e9 + 7;
void EE(int a, int b, int& x, int& y) {
if (a % b == 0) {
x = 0;
y = 1;
return;
}
EE(b, a % b, x, y);
int temp = x;
x = y;
y = temp - y * (a / b);
}
int inverse(int a, int m) {
int x, y;
EE(a, m, x, y);
if (x < 0) x += ... | ### Prompt
Your task is to create a Cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
#include <bits/stdc++.h>
using namespace std;
constexpr long long mod = 1000000007;
pair<long long, long long> dfs(int v, const vector<vector<int>> &children,
const vector<int> &black) {
long long zero = 0;
long long one = 0;
(black[v] ? one : zero) = 1;
for (const auto &child : c... | ### Prompt
Develop a solution in Cpp to the problem described below:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tree, the... |
#include <bits/stdc++.h>
using namespace std;
const int maxn = 100010;
const int mod = 1000000007;
long long dp[maxn][2];
vector<int> G[maxn];
int col[maxn];
void gcd(long long a, long long b, long long &d, long long &x, long long &y) {
if (!b) {
d = a;
x = 1;
y = 0;
} else {
gcd(b, a % b, d, y, x);... | ### Prompt
Your task is to create a cpp solution to the following problem:
Appleman has a tree with n vertices. Some of the vertices (at least one) are colored black and other vertices are colored white.
Consider a set consisting of k (0 ≤ k < n) edges of Appleman's tree. If Appleman deletes these edges from the tre... |
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